钢管混凝土-钢板深梁结构抗震试验与承载力计算
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摘要
提出了钢管混凝土-钢板深梁结构,进行了4个钢管混凝土-钢板深梁结构模型试件的低周反复荷载试验,4个试件均由等截面钢管混凝土柱和等尺寸钢板深梁构成,各试件高宽比相同。4个试件的区别在于设置的钢板深梁道数不同,以重点研究钢板深梁对结构抗震性能的影响。分析了各试件的承载力、刚度及退化过程、延性、滞回特性、耗能和损伤与破坏过程等。基于试验,提出了承载力计算模型,计算结果与实测结果符合较好。研究表明:钢管混凝土-钢板深梁结构,具有良好的抗震性能;钢板深梁与钢管混凝土设计参数应合理匹配,以实现强钢管混凝土柱和弱钢板深梁的延性屈服机制;钢管混凝土-钢板深梁结构可用于结构抗震设计。
A structure with CFST columns and deep steel plate beams is presented. Four specimens were tested under low frequency cyclic loading. The four specimens with the same aspect ratio are constituted by CFST columns in the same cross- section and deep steel plate beams of the same size. In order to focus on the seismic performance caused by the deep steel plate beams,the number of the beams is different for deferent specimens. The load- bearing capacity,stiffness and degradation process,ductility,hysteretic behavior,energy dissipation,damage and failure characteristics of specimens were discussed. Based on the experiment,load- bearing capacity calculation model was proposed and the calculation results are in good agreement with the measured results. The study shows that the structure with CFST columns and deep steel plate beams has good seismic performance. In order to achieve the ductile yield mechanism of strong CFST columns and weak deep steel plate beams,the design parameters of deep steel plate beams will be matched with the CFST columns. The structure with CFST columns and deep steel plate beams can be used for seismic design of structures.
A structure with CFST columns and deep steel plate beams is presented. Four specimens were tested under low frequency cyclic loading. The four specimens with the same aspect ratio are constituted by CFST columns in the same cross- section and deep steel plate beams of the same size. In order to focus on the seismic performance caused by the deep steel plate beams,the number of the beams is different for deferent specimens. The load- bearing capacity,stiffness and degradation process,ductility,hysteretic behavior,energy dissipation,damage and failure characteristics of specimens were discussed. Based on the experiment,load- bearing capacity calculation model was proposed and the calculation results are in good agreement with the measured results. The study shows that the structure with CFST columns and deep steel plate beams has good seismic performance. In order to achieve the ductile yield mechanism of strong CFST columns and weak deep steel plate beams,the design parameters of deep steel plate beams will be matched with the CFST columns. The structure with CFST columns and deep steel plate beams can be used for seismic design of structures.
引文
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[2]郭彦林,董全利.钢板剪力墙的发展与研究现状[J].钢结构,2005,20(1):1-6GUO Yanlin,DONG Quanli.Research and application of steel plate shear wall in high-rise buildings[J].Steel Construction 2005,20(1):1-6(in Chinese)
[3]陈国栋,郭彦林.钢板剪力墙低周反复荷载试验研究[J].建筑结构学报,2004,25(2):18-26,38CHEN Guodong,GUO Yanlin,Cyclic test of steel plate shear walls[J].Journal of Building Structures.2004,25(2):18-26,38(in Chinese)
[4]Yongjiu Shi,Abolhassan Astaneh-Asl,Lateral Stiffness of Steel Shear Wall Systems.ASCE Conf.Proc.314,107(2008)
[5]聂建国,朱力,樊健生,等.钢板剪力墙抗震性能试验研究[J].建筑结构学报,2013,34(1):61-69.NIE Jianguo,ZHU Li,FAN Jiansheng,et al.Experimental research on seismic behavior of steel plate shear walls[J].Journal of Building Structures,2013,34(1):61-69.(in Chinese)
[6]聂建国,胡红松,李盛勇,等.方钢管混凝土暗柱内嵌钢板-混凝土组合剪力墙抗震性能试验研究[J].建筑结构学报,2013,34(1):52-60.NIE Jianguo,HU Hongsong,LI Shengyong,et al.Experimental study on seismic behavior of steel plate reinforced concrete composite shear walls with square CFST concealed columns[J].Journal of Building Structures,2013,34(1):52-60.(in Chinese)
[7]廖飞宇,陶忠,韩林海.钢-混凝土组合剪力墙抗震性能研究简述[J].地震工程与工程振动,2006,26(5):130-135LIAO Feiyu,TAO Zhong,HAN Linhai.A state-of-the-art review of composite shear walls under cyclic loading[J]Earthquake Engineering and Engineering Vibration,2006,26(5):130-135(in Chinese)
[8]韩林海,杨有福.现代钢管混凝土结构技术(第二版)[M].科学出版社,2007HAN Linhai,YANG Youfu.Modern Concrete Filled Steel Tube Structure Technology(Edition 2)[M].Science Press,2007.(in Chinese)
[9]Yamada,Minoru.Steel panel encased RC composite shear walls.Composite Construction in Steel and Concrete II,1992:899-912
[10]Darren Vian,M.ASCE1;Michel Bruneau,M.ASCE2;K.C.Tsai3;and Y.-C.Lin4.Special Perforated Steel Plate Shear Walls with Reduced Beam Section Anchor Beams.I:Experimental Investigation[J].Journal of Structural Engineering 2009,135(3):211-220
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